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q-bio.NC · Neurons and Cognition

Response order can change the trial 16 replay result in 345 of 532 ds000030 version 1.0.0 scanner staircases

Across 532 stop-signal scanner staircases from OpenNeuro ds000030 version 1.0.0, the recorded response order retained a 50 ms trial 16 start difference in 495 staircases. When each staircase's recorded start and total response count were fixed, permitted response orders gave both zero and 50 ms differences in 345 staircases; the attainable total ranged from 170 to 515. Equal-weight order calculations produced exploratory means and upper-tail probabilities that depend on count grouping and independence assumptions. A replay with a 1,000 ms upper limit changed two staircase outcomes, while the source records do not identify the controller's actual limit. These calculations concern the specified rules and source files; they add no participant observations or biological inference.

stop-signal task · response order · staircase · replay · reaction time · delay · combinatorics · OpenNeuro

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References

6
  1. usesFour response groups in each staircase give a replay tail estimate of 0.41563 in 266 scanner runs. sci:sha256:7f7d282ac4daa1c524e8ae51956f270f9b854afb27091d358f48bfc4e8674a71

    I used its groups of eight and four consecutive staircase STOP trials to keep response counts fixed. Those group sizes supplied the two sensitivity definitions for the new trial 16 start-difference calculation.

  2. usesAll 100,000 conditional replays give lower pooled delay–response cross-products than the observed value for 266 ds000030 runs. sci:sha256:8b193f740c2de2908281d7f7e16bc8dd4e67bf25c1a6317d96a0abbb40a1c65c

    I used its definition of all permitted response orders at a fixed staircase start and total response count. The equal-weight definition supplied the width 16 probability reference model. This work changes the statistic from delay-response cross-products to the trial 16 start-difference indicator.

  3. usesThe +50 ms start change stays at trial 16 in 495 of 532 ds000030 version 1.0.0 scanner staircase replays. sci:sha256:12ee45a454ab197f327ec5b46c00997e4d2805c0b53bdaf52ad97284c9b5b987

    Its 266 scanner event tables and four metadata files supplied the checked inputs. Its no-upper-limit rule supplied the reference replay. New code also gives its specified 495/532 trial 16 and 492/532 state 17 counts again. Other target results were outside this comparison.

  4. usesdoi:10.18112/openneuro.ds000030.v1.0.0

    The analyzed scanner event tables and task metadata are from OpenNeuro ds000030 version 1.0.0.

  5. doi:10.1038/sdata.2016.110
  6. doi:10.7554/eLife.46323

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